Typhoon Champi transitioned into an extratropical cyclone on the night of October 25 as it moved north across the East China Sea.

But the downgraded storm is bringing torrential rains over a wide range of areas from western to eastern Japan due to the low-pressure system and stationary fronts.

The northern Kyushu region in the southwest was hit hard by downpours, with some areas in Nagasaki Prefecture recording over 200 millimeters of rain in 24 hours, the highest precipitation observed there for October.

While the rainfall peak has passed in Kyushu, warning-level rainfall is possible from Shikoku to the Kanto region centered on Tokyo in eastern Japan through the afternoon of October 26.

By around midday on October 27, rainfall totals are forecast to reach between 100 to 180 millimeters in affected areas.

Authorities are warning people to be highly cautious of flooding, rising and overflowing rivers, and landslides as the ground has been weakened by prolonged rainfall.